Fixed 'useless reply on bad arguments' in threaded commands; added/changed Combine class.
Fixed 'useless reply on bad arguments' in threaded commands; added/changed Combine class.

mazaclub/mazabot-core,ProgVal/Limnoria-test,buildbot/supybot,mazaclub/mazabot-core,kblin/supybot-gsoc,Ban3/Limnoria,jeffmahoney/supybot,haxwithaxe/supybot,prashantpawar/supybot-rothbot,ProgVal/Limnoria-test,Ban3/Limnoria,raboof/supybot,frumiousbandersnatch/supybot-code